Delegate KeyValueUpdate<TKey, TValue>
Provides a delegate that performs an atomic update of a key/value pair
Namespace: Lucene.Net.Support
Assembly: Lucene.Net.dll
Syntax
public delegate TValue KeyValueUpdate<TKey, TValue>(TKey key, TValue original);
  Parameters
| Type | Name | Description | 
|---|---|---|
| TKey | key | |
| TValue | original | 
Returns
| Type | Description | 
|---|---|
| TValue | 
Type Parameters
| Name | Description | 
|---|---|
| TKey | |
| TValue |